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How to Replace the Key Battery in the Hyundai Sonata

Model: Hyundai Sonata LF - Years: 2015, 2016, 2017, 2018, 2019
Part: Key

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Video tutorial

If you have a Hyundai Sonata (2015-2019) and want to replace the battery inside the car key yourself, follow these simple steps. First, take the key and press the metal button at the top of the cover to release the emergency key from the side of the cover.

Next, remove the rear cover with your hands and take out the exhausted button battery. Finally, insert the new one (model CR2032, 3 Volt) and reattach the rear cover.


Updated on 26 July 2026 by ScegliAuto


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by ScegliAuto

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